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Zirconium-tungsten mixed oxides (ZrW) are effective catalysts in the aqueous-phase dehydration of d-xylose to 2-furfuraldehyde (Fur), at 170°C. The texture and acid properties of ZrW materials were modified to enhance Fur yields. The catalysts prepared by co-condensation without a templating agent (ZrW(X), X=NO 3 , Cl; X is related to the type of zirconium precursor) possess relatively low...
Organic–inorganic hybrid heterogeneous catalyst systems were synthesized by the reaction of the dioxomolybdenum(VI) complex MoO 2 Cl 2 (THF) 2 with the mesoporous silica MCM-41 functionalized with a pyrazolylpyridine ligand (MCM-41-PP). Two catalysts were prepared, one of which involved the postsynthesis trimethylsilylation of MCM-41-PP to remove the residual surface silanol...
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